Phase-controlled ballast having shifting control

Details Phase-controlled ballast having shifting control Phase-controlled ballast having shifting control

1982-01-26

1984-07-10

Moore, David K.

Electric lamp and discharge devices: systems

Regulation of the control current and/or potential applied...

315195, G05F 100, H05B 3702, H05B 3904, H05B 4136

Patent

active

044595158

ABSTRACT:
This invention relates to a circuit for shifting a control signal from governance by one variable function to governance by another. It is more particularly concerned with a phase-controlled ballast wherein such a circuit shifts the control from a function of lamp current to a function of line voltage for better overall performance and economy.

REFERENCES:
patent: 3344311 (1967-09-01), Nuckolls
patent: 3500124 (1970-03-01), Babcock

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